package com.ostrich.a2104gao5.test21

/**
 * @Author : yaotianxue
 * @Time : On 2023/10/17 10:52
 * @Description : Test21
 */

fun main(){
    val demo = Demo()
    demo.a()
    demo.a("12")
    demo.a("12",45)
    demo.a(str = "12",str2 = "2234")
}